The story follows Isa (Élodie Bouchez), a 20-year-old drifter who survives on odd jobs, and Marie (Natacha Régnier), a factory worker. The two young women form an intense friendship as they navigate loneliness, poverty, love, and betrayal in the northern French city of Lille. Their bond is tested when their desires and life choices begin to clash—Isa seeks warmth and connection, while Marie becomes entangled in a destructive relationship with a wealthy nightclub owner.